PLATE I. 



Stannophyllum. 

 Figs. lA-lC. Stannophyllum zonarium, n. sp. (p. 62). 



Figs. 1A, IB. Two complete sepcimens, ..... nat. size 

 Fig. 1C. A small portion of the surface; magnified. 



Figs. 2A-2C. Stannophyllum radiolarium, n. sp. (p. 65). 

 Figs. 2A, 2B. Two complete specimens, ..... nat. size 

 Fig. 2C. A small portion of the surface ; magnified. 



Figs. 3 A, 3B. Stannophyllum pertusum, n. sp. (p. 65). 

 Fig. 3A. Complete specimen, ...... nat. size 



Fig. 3B. A small portion of the surface ; magnified. 



Fig. 4. Stannophyllum venosum, n. sp. (p. 67). 

 Fig. 4. Complete specimen, ...... half nat. size 



Fig. 5A-5C. Stannophyllum globigerinum, n. sp. (p. 68). 



Figs. 5A, 5B. Two complete specimens, 5B having a facial branch (transition 



to Stannarium), ...... nat. size 



Fig. 5C. A small portion of the surface ; magnified. 



